Answer:
The Method header to this question is "int sum(int[] values, int currSize)".
Explanation:
According to the question, It is defined that choose the correct option which creates a method header sum and returns the sum of the array element. In given options, we choose option second because in this option method return type is int and use an integer variable that is "currSize" which calculate the sum and return its value and other option are not correct that can be described as:
That's why the answer to this question is option second which is "int sum(int[] values, int currSize)".